Todor Nikolov graduated geology at the Sofia University "St. Kliment Ohridski "in 1955; later he specialized in Russia (1960) and France (1968). He is Ph.D. in geology and Doctor of geological-mineralogical sciences, Professor Emeritus at the Sofia University" St. Kliment Ohridski ", at the Geological Institute and the Institute of Geography BAS. T. Nikolov is a full member (academician) of the Bulgarian Academy of Sciences; Doctor Honoris Causa of the University "Paul Sabatier", Toulouse, France; Member of a number of Bulgarian, international and foreign scientific societies and associations; Honorary member of the French, Serbian and Bulgarian Geological Society; Winner of national and foreign orders and medals; Knight of the French Order "Academic Palms". He has read lectures in many universities abroad: France, Russia, Greece, Germany, New Zealand. His main research interests are in the field of paleontology and stratigraphic geology; theory of evolution, regional geology, Palaeogeography and palaeoclimatology. His scientific work includes more than 270 works, including the books: Biostratigraphy (1977), Les ammonites de la famille Berriasellidae (1982), Long Way of Life (1983), The Mediterranean Lower Cretaceous (1987), Continents and Oceans - the Eternal Movement (1991), Empire of the Dinosaurs (in collaboration with C. Minkovska - 2004), Fundamentals of Paleontology and Geology, historical, (3. Edition - 2009)."